41531040 has 144 divisors (see below), whose sum is σ = 143410176. Its totient is φ = 10944000.

The previous prime is 41531023. The next prime is 41531069. The reversal of 41531040 is 4013514.

It is a happy number.

41531040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 217345 + ... + 217535.

It is an arithmetic number, because the mean of its divisors is an integer number (995904).

Almost surely, 2^41531040 is an apocalyptic number.

41531040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41531040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71705088).

41531040 is an abundant number, since it is smaller than the sum of its proper divisors (101879136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

41531040 is a wasteful number, since it uses less digits than its factorization.

41531040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 41531040 is about 6444.4580842768. The cubic root of 41531040 is about 346.3040751908.

Adding to 41531040 its reverse (4013514), we get a palindrome (45544554).

The spelling of 41531040 in words is "forty-one million, five hundred thirty-one thousand, forty".